Cognomen Sinthanatrakool (Sinthanatrakool 
) , all over the world, is a rare family name. The last name Sinthanatrakool is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Sinthanatrakool is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinthanatrakool | Thailand |